package day01;

//编写代码实现两个变量值交换，int m = 15；int n = 17；
public class Demo03 {
    public static void main(String[] args) {
        int m = 16;
        int n = 18;
        int tmp;

        tmp = m;
        m = n;
        n = tmp;
        System.out.println(m);
        System.out.println(n);




    }
}
